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Letter Opener is a development email sandbox and interceptor for Ruby on Rails. It functions as an SMTP mocking tool that captures outgoing emails and saves them to the local file system, preventing messages from being delivered to real addresses during the development cycle.
The main features of ryanb/letter_opener are: Email Delivery Testing, Local Email Previewers, Local Delivery Interceptors, Email Previewers, SMTP Server Mocks, Email Interceptors, Ruby on Rails Integrations, Rails Development Utilities.
Projects with overlapping indexed features include: ctran/annotate_models — Annotate Models is a productivity utility for Ruby on Rails that maps database columns, types, and application routes… tenex/rails-assets — Rails-assets is a system designed to convert, manage, and package third-party frontend dependencies into native… sj26/mailcatcher — Mailcatcher is a local email development proxy and SMTP server mock designed to intercept outgoing emails during… rnwood/smtp4dev — smtp4dev is a suite of tools featuring a mock SMTP server that intercepts outgoing email traffic and stores messages… igorkasyanchuk/rails_performance — This project is a self-hosted application performance monitoring tool designed for Ruby on Rails environments. It… laserlemon/figaro — Figaro is a configuration manager for Ruby on Rails applications that loads key-value pairs from YAML files and…
Annotate Models is a productivity utility for Ruby on Rails that maps database columns, types, and application routes directly into model and configuration files as source code comments. It functions as a schema annotator that inserts database and routing information into model files to provide a quick reference for data structures during development. The tool synchronizes model comments with database migrations to ensure that data structure references remain current. It also includes a route map injector that writes the current application routing table into configuration files as readable c
Mailcatcher is a local email development proxy and SMTP server mock designed to intercept outgoing emails during development. It acts as a network bridge that catches outbound mail on a specified port and displays it in a web-based inspector instead of delivering messages to real recipients. The tool provides a web-based email viewer for reviewing HTML, plain text, and raw source content, along with an interface for inspecting headers and downloading attachments. It utilizes a RESTful JSON API to serve captured mail as structured data to the browser interface. The system includes a TCP socke
smtp4dev is a suite of tools featuring a mock SMTP server that intercepts outgoing email traffic and stores messages for inspection instead of delivering them to recipients. It includes a web-based viewer for inspecting email metadata, raw source code, and MIME structures, alongside a responsive email previewer that simulates how HTML emails appear across different viewport sizes and device layouts. The project provides a traffic analyzer to log protocol interactions and session data for debugging delivery failures. It also operates as a TLS SMTP server, supporting encrypted connections via T
Rails-assets is a system designed to convert, manage, and package third-party frontend dependencies into native library files. It functions as a bridge between external web components and Ruby on Rails projects, enabling developers to treat frontend assets as standard gems within their existing build pipelines. The project automates the lifecycle of these dependencies by fetching components from remote registries and transforming them into structured, installable formats. It includes a normalization layer that maps non-standard package identifiers to compliant naming conventions, ensuring tha